body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

ul,li {
    list-style: none;
}

header {
    background-color: #4caf50;
    color: #fff;
    padding: 5px 0;
    text-align: center;
    letter-spacing: 0.25rem;
    pointer-events: none;
    font-size: 22px;
    font-weight: 300;
}

nav {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: #333;
    color: #fff;
}

nav a {
    display: block;
    width: 140px;
    height: 55px;
    color: #fff;
    text-decoration: none;
    line-height: 55px;
    margin-right: 20px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

nav a:hover {
    background-color: #555;
}

.container {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 20px auto;
}

.main-content {
    flex-grow: 2;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

.sidebar {
    flex-basis: 300px;
    padding: 20px;
    background-color: #f0f0f0;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #333;
    color: #fff;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.upload-form,
.report,
.contact-form,
.user-behavior {
    margin-top: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

button {
    background-color: #4caf50;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #45a049;
}

.report h2 {
    margin-top: 5px;
    margin-bottom: 33px;
    /* padding-left: 10px; */
    text-align: center;
    font-weight: 400;
    font-size: 32px;
    letter-spacing: 0.115rem;
    pointer-events: none;
    
}

.report-container {
    padding-left: 0;
}

.report-container .report-card {
    padding-bottom: 20px;
}

.report-card .card-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    text-align: center;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 400;
}

.report-card .card-item div {
    margin-right: 16px;
}


.card-item .title-i {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 0.123rem;
    text-shadow: 1px 0px 1px #1630c0;
    color: #00ff14ab;
}

.card-item #title-2 {
    font-size: 28px;
}

.card-item .desc-item {
    text-shadow: 0px 0px 12px #ff0015;
}


.about-component {  
    background: rgb(245,245,245);
    background: linear-gradient(180deg, rgba(245,245,245,1) 0%, rgba(203,203,203,1) 37%, rgba(161,172,163,1) 100%);
    padding: 200px 0 40px;
    text-align: center;  
}  
  
.about-us {  
    margin-bottom: 20px;  
}  
  
.about-us h3 {  
    margin-bottom: 10px;  
}  

.wechat-qrcode {
    padding-bottom: 15px;
}

.wechat-qrcode img {  
    width: 200px; /* 根据你的二维码图片大小调整 */  
    height: auto;  
    margin-bottom: 10px;  
}  
  
.wechat-qrcode p {  
    font-size: 14px;  
    color: #666;  
}

h2 {
    color: #4caf50;
}

.contact-form label {
    display: block;
    margin-top: 10px;
}

.contact-form input {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    box-sizing: border-box;
}

.contact-form input[type="submit"] {
    background-color: #4caf50;
    color: #fff;
    cursor: pointer;
}

.contact-form input[type="submit"]:hover {
    background-color: #45a049;
}

.user-behavior h2 {
    color: #4caf50;
}

.user-behavior pre {
    white-space: pre-wrap;
    word-break: break-word;
    font-family: 'Courier New', monospace;
    color: #333;
}